#!/bin/bash
# FILE:       	wgapi:back/lib/wg/peer/del
# DESCRIPTION:	Delete a peer from a wireguard interface
# USAGE:      	del pubkey
# ERRORS:
# 	3: Bad usage
# 	4: wg binary not found
# 	5: config not found
# 	6: wg command failed
# 	7: Not root

CONFIG_FILE='/etc/wgapi/config'
if ! [ ${#} -eq 1 ]; then
	printf 'ERROR! Bad input: %s %s\n' "${0}" "${*}" >>"${LOGFILE}"
	exit 3
fi; if ! [ -x '/usr/bin/wg' ]; then
	printf 'ERROR! %s could not find /usr/bin/wg\n' "${0}" >>"${LOGFILE}"
	exit 4
fi; if ! [ -f "${CONFIG_FILE}" ]; then
	printf 'ERROR! %s could not find %s!\n' "${0}" "${CONFIG_FILE}" >>"${LOGFILE}"
	exit 5
fi
source "${CONFIG_FILE}"

if ! res="$(sudo /usr/bin/wg set "${TLD}" peer "${1}" remove)"; then
	printf 'ERROR! Wireguard failed: %s\n' "${res}" >>"${LOGFILE}"
	exit 6
fi